Thumblated Related Post

Thumblated Related Posts is a very simple plugin to use.. It shows related posts for the post user is reading. It also add the first picture in post as thumbnail beside the related post. This helps in increasing page views

It is good for internal link building and overall pagerank. It Lets you design the look of your related posts with thumbnails. It lets to write your own HTML and gives you access to some tags (link, title, image etc)